Table 4.
1H and 13C NMR Data of 4–6 in CD3OD
| No. | 4 | 5 | 6 | |||
|---|---|---|---|---|---|---|
| δH (J in Hz)a | δC, typeb | δH (J in Hz)a | δC, typeb | δH (J in Hz)c | δC, typed | |
| 1 | 166.2, C | 164.9, C | 165.0, C | |||
| 2 | 3.82, dd (12.4, 2.1) | 75.1, CH | 3.78, br s | 79.1, CH | 3.68, d (2.5) | 80.6, CH |
| 3 | 1.96, m 1.57, m |
36.2, CH2 | 2.11, m | 34.1, CH | 2.42, m | 27.8, CH |
| 4 | 1.56, m | 25.9, CH | 1.61, m 1.51, m |
30.6, CH2 | 1.03, d (6.7) | 20.2, CH3 |
| 5 | 0.95, d (6.3) | 24.2, CH3 | 1.01, dd (7.3, 7.3) | 12.2, CH3 | 1.23, d (7.0) | 23.6, CH3 |
| 6 | 0.98, d (5.9) | 21.5, CH3 | 1.01, d (6.7) | 17.6, CH3 | ||
| 1′ | 140.0, C | 139.9, C | 139.9, C | |||
| 2′,6′ | 7.31, d (7.4) | 130.6, CH | 7.29, d (7.4) | 130.8, CH | 7.29, d (7.4) | 130.7, CH |
| 3′,5′ | 7.25, dd (7.4, 7.4) | 129.4, CH | 7.23, dd (7.4, 7.4) | 129.2, CH | 7.24, dd (7.4, 7.4) | 129.2, CH |
| 4′ | 7.17, dd (7.4, 7.4) | 127.6, CH | 7.15, dd (7.4, 7.4) | 127.4, CH | 7.15, dd (7.4, 7.4) | 127.4, CH |
| 7′ | 3.41, dd (14.1, 4.4) 2.91, dd (14.1, 10.7) |
39.8, CH2 | 3.36, dd (13.9, 4.4) 2.86, dd (13.9, 10.2) |
40.2, CH2 | 3.38, dd (13.9, 4.3) 2.85, dd (13.9, 10.3) |
40.1, CH2 |
| 8′ | 4.71, dd (10.7, 4.4) | 57.6, CH | 4.68, dd (10.2, 4.4) | 57.2, CH | 4.70, dd (10.3, 4.3) | 57.1, CH |
| 9′ | 177.2, C | 177.2, C | 177.2, C | |||
| NMe | 2.85, s | 52.4, CH3 | 2.98, s | 52.8, CH3 | 2.96, s | 52.9, CH3 |
aMeasured at 600 MHz
bMeasured at 150 MHz
cMeasured at 400 MHz
dMeasured at 100 MHz